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Bloating · Body

Why bloating feels different from fat

RUNA Journal · 5 min read · Educational guide

Here is something that quietly ruins a lot of mornings: you look in the mirror, feel puffy and heavy, and assume it is fat. Often, it is bloating and water retention — and those can move far faster than fat ever could.

Fat builds slowly, bloating can show up overnight

Body fat changes slowly, over weeks. The puffiness that shows up after a salty dinner, a late meal, a stressful week or bad sleep is something else entirely: your body holding extra water and dealing with sluggish digestion. It can add visible heaviness to your face and stomach in a single day — and it can leave just as quickly.

What drives the puffiness

A few ordinary things stack up: late meals, heavy combinations, salt with too little water, high stress and poor sleep. These are rhythm issues — and they can make you look and feel softer and heavier than you are.

Why a short reset works so fast

This is exactly why people feel a difference in the first days of RUNA, long before any real fat loss is possible. When you fix the timing of meals, lighten the combinations, hydrate properly and bring in the tea ritual, the body lets go of the water it was holding. The stomach flattens, the face looks fresher, and the heaviness lifts.

That early win is your body responding to better conditions. It also happens to be the moment most people decide to keep going, because they can finally feel the difference.

Feel lighter first

Lose the puffiness in days

The 3-day reset targets exactly this first shift.

Start €9 reset
Sources & further reading
· Moon S et al. "Beneficial Effects of Time-Restricted Eating on Metabolic Diseases." Nutrients, 2020. ncbi.nlm.nih.gov
· Review on chrononutrition and meal timing, Nutrients, 2025. ncbi.nlm.nih.gov
This article is educational and works alongside qualified medical guidance.